This is a note to let you know that I've just added the patch titled
of: Add of_property_present() helper
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
of-add-of_property_present-helper.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 58e1f9fee60d9c778f33ff9454fc35cd6fd00b73
Author: Rob Herring <robh@xxxxxxxxxx>
Date: Thu Feb 9 15:35:01 2023 -0600
of: Add of_property_present() helper
[ Upstream commit 9cbad37ce8122de32a1529e394b468bc101c9e7f ]
Add an of_property_present() function similar to
fwnode_property_present(). of_property_read_bool() could be used
directly, but it is cleaner to not use it on non-boolean properties.
Reviewed-by: Frank Rowand <frowand.list@xxxxxxxxx>
Tested-by: Frank Rowand <frowand.list@xxxxxxxxx>
Link: https://lore.kernel.org/all/20230215215547.691573-1-robh@xxxxxxxxxx/
Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
Stable-dep-of: c4a5118a3ae1 ("cpufreq: scmi: process the result of devm_of_clk_add_hw_provider()")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/include/linux/of.h b/include/linux/of.h
index 4403e8fc764a..29f657101f4f 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -1073,7 +1073,8 @@ static inline int of_property_read_string_index(const struct device_node *np,
* @np: device node from which the property value is to be read.
* @propname: name of the property to be searched.
*
- * Search for a property in a device node.
+ * Search for a boolean property in a device node. Usage on non-boolean
+ * property types is deprecated.
*
* Return: true if the property exists false otherwise.
*/
@@ -1085,6 +1086,20 @@ static inline bool of_property_read_bool(const struct device_node *np,
return prop ? true : false;
}
+/**
+ * of_property_present - Test if a property is present in a node
+ * @np: device node to search for the property.
+ * @propname: name of the property to be searched.
+ *
+ * Test for a property present in a device node.
+ *
+ * Return: true if the property exists false otherwise.
+ */
+static inline bool of_property_present(const struct device_node *np, const char *propname)
+{
+ return of_property_read_bool(np, propname);
+}
+
/**
* of_property_read_u8_array - Find and read an array of u8 from a property.
*
